Hand stamp



FIG. 1 is a front perspective view of our design for the hand stamp;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof (the right side being a mirror image of the left side view); and,

FIG. 5 is a top plan view thereof. 

The ornamental design for hand stamp, as shown and described. 